arc
英 [ɑ?k]
美[ɑrk]
- n. 弧（度）；弧光（全稱electric arc）；弧形物；天穹
- adj. 圓弧的；反三角函數(shù)的
- vt. 形成電弧；走弧線
- n. (Arc)人名；(法)阿爾克
CET6TEM4IELTSTOEFL低頻詞常用詞匯
詞態(tài)變化
第三人稱單數(shù):?arcs;過去式:?arced;過去分詞:?arced;現(xiàn)在分詞:?arcing;
助記提示
1、arc- => arc.
中文詞源
arc 弧
來自PIE *arku, 彎，拱。
英文詞源
- arc
- arc: see arch
- arc (n.)
- late 14c., originally in reference to the sun's apparent motion in the sky, from Old French arc "bow, arch, vault" (12c.), from Latin arcus "a bow, arch," from PIE root *arku- "bowed, curved" (cognates: Gothic arhvazna "arrow," Old English earh, Old Norse ?r; also, via notion of "supple, flexible," Greek arkeuthos, Latvian ercis "juniper," Russian rakita, Czech rokyta, Serbo-Croatian rakita "brittle willow"). Electrical sense is from 1821.
- arc (v.)
- 1893, in the electrical sense, from arc (n.). Meaning "to move in an arc" attested by 1954. Related: Arced; arcing.
雙語例句
- 1. A group of actors are rehearsing a play about Joan of Arc.
- 一群演員正在排演一出關(guān)于圣女貞德的戲。
來自柯林斯例句
- 2. Joan of Arc was finally canonized by Pope Benedict XV in 1920.
- 圣女貞德終于在1920年由教皇本尼狄克十五世封為圣徒。
來自柯林斯例句
- 3. His pass described a perfect arc through the leaden sky.
- 他的傳球在陰沉的天空中劃出了一道完美的弧線。
來自柯林斯例句
- 4. the arc of a rainbow
- 彩虹的弧形
來自《權(quán)威詞典》
- 5. Joan of Arc was burnt at the stake .
- 圣女貞德被處以火刑。
來自《權(quán)威詞典》